Overview

overview

10

Static

static

8

a796c6a97f...d8.exe

windows7_x64

10

a796c6a97f...d8.exe

windows10_x64

10

Sharing

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General

  • Target

    a796c6a97f238d9c70c96069464ed124c93106366f21d101b299d5fcc611f8d8

  • Size

    252KB

  • Sample

    210516-jby5yq54rn

  • MD5

    7e41570ab9678e9ab7d4ed8c7f1a008d

  • SHA1

    0d9bb329e6c5d4ba4005a7ec7431c16c28df20e6

  • SHA256

    a796c6a97f238d9c70c96069464ed124c93106366f21d101b299d5fcc611f8d8

  • SHA512

    63bcb5b37eda11106eac97fb63eaec57b1119b78a45d6aaf4ae0801e43e6c75c9f206dce4439bbd9fb57f4f3f4cdbb9f781beb02b8a4d60e05d956d8c915f1a6

Score
10/10
darkcometevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      a796c6a97f238d9c70c96069464ed124c93106366f21d101b299d5fcc611f8d8

    • Size

      252KB

    • MD5

      7e41570ab9678e9ab7d4ed8c7f1a008d

    • SHA1

      0d9bb329e6c5d4ba4005a7ec7431c16c28df20e6

    • SHA256

      a796c6a97f238d9c70c96069464ed124c93106366f21d101b299d5fcc611f8d8

    • SHA512

      63bcb5b37eda11106eac97fb63eaec57b1119b78a45d6aaf4ae0801e43e6c75c9f206dce4439bbd9fb57f4f3f4cdbb9f781beb02b8a4d60e05d956d8c915f1a6

    Score
    10/10
    darkcometevasionpersistencerattrojanupx

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks